Re: [E-impact] Carbon-Intelligent Global Routing in Path-Aware Networks
Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 11 May 2023 04:16 UTC
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Message-ID: <eefe71ff-95f5-1571-7f1a-284b4bb5bb08@gmail.com>
Date: Thu, 11 May 2023 16:16:13 +1200
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To: Dom Robinson <dom@id3as.co.uk>, Michael Welzl <michawe@ifi.uio.no>
Cc: Michael Richardson <mcr+ietf@sandelman.ca>, e-impact@ietf.org
References: <FB515876-A53A-43D7-8870-2BE192AEA9F3@ifi.uio.no> <0211FE12-9F5A-4341-9D8D-BC01EA84ECEF@id3as.co.uk>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/e-impact/o7Gtw2kholEZ5EJq_QmZO60gT1g>
Subject: Re: [E-impact] Carbon-Intelligent Global Routing in Path-Aware Networks
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> … with technology that reduces operational energy without making the service (noticeably) worse, or even improves both energy reduction and performance, all of these complications go away.
> There is a clear win, and there is no need to ponder which choice was better.
I agree, of course. But I'm not yet seeing how we can derive guidelines for protocol design and protocol operation, which is all that the IETF can actually do.
Regards
Brian Carpenter
On 11-May-23 15:18, Dom Robinson wrote:
> 100% agree Michael.
>
> --
> Dom Robinson
> www.id3as.co.uk <http://www.id3as.co.uk/>
> www.greeningofstreaming.org <http://www.greeningofstreaming.org/>
> uk.linkedin.com/in/domrobinson <http://uk.linkedin.com/in/domrobinson>
> Meet >> https://calendly.com/id3as <https://calendly.com/id3as>
>
>> On 10 May 2023, at 20:13, Michael Welzl <michawe@ifi.uio.no> wrote:
>>
>>
>>
>>> On May 10, 2023, at 6:47 PM, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>>>
>>> On 11-May-23 06:56, Michael Welzl wrote:
>>>> Hi,
>>>> On “induced traffic”:
>>>>> On May 10, 2023, at 2:50 PM, Michael Richardson <mcr+ietf@sandelman.ca <mailto:mcr+ietf@sandelman.ca>> wrote:
>>>>>
>>>>>
>>>>> Brian E Carpenter <brian.e.carpenter@gmail.com <mailto:brian.e.carpenter@gmail.com>> wrote:
>>>>>> 2. How much reduction in service will society tolerate? (Example:
>>>>>> yesterday while waiting for a bus during a heavy rainstorm, I noticed
>>>>>> that the electronic sign at the bus stop had no data and displayed "Low
>>>>>> battery", because it was solar powered. Will society accept such
>>>>>> trade-offs, especially less trivial ones?)
>>>>>
>>>>> I think that this is really a very important point.
>>>>>
>>>>> If the effect of the next-stop information being absent from the bus shelter,
>>>>> because of a rainstorm, is that Brian takes his car, then it's an overall loss!
>>>
>>> Just to illustrate the complexity of such arguments, what I actually did was
>>> take out my cell phone to check the next bus arrival. So add that into the
>>> energy balance.
>>
>> I agree that these arguments are complex. I do want to point out something simple, though:
>> - ignoring “embodied” energy,
>> - avoiding trade-offs,
>>
>> … with technology that reduces operational energy without making the service (noticeably) worse, or even improves both energy reduction and performance, all of these complications go away.
>> There is a clear win, and there is no need to ponder which choice was better.
>>
>> I don’t say that the other arguments are not interesting (or *perhaps* useful) to have, but I do suggest that we focus a little bit more on the above, if possible.
>> This also lets us do what we engineers can do, instead of bravely venturing off into foreign fields of society and economy and politics and whatnot.
>>
>> Is it enough? I don’t know - but it’s the thing that we can certainly do. Again, *perhaps* we can do more by taking a broader stance, I don’t want to try to stifle a fun debate - I just wanted to point out that there is also this easier (albeit more limited) angle.
>>
>> Cheers,
>> Michael
>>
>> --
>> E-impact mailing list
>> E-impact@ietf.org
>> https://www.ietf.org/mailman/listinfo/e-impact
- [E-impact] Carbon-Intelligent Global Routing in P… Hesham ElBakoury
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Daniel Schien
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Chris Adams
- Re: [E-impact] Carbon-Intelligent Global Routing … Vesna Manojlovic
- Re: [E-impact] Carbon-Intelligent Global Routing … Michael Welzl
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Chris Adams
- Re: [E-impact] Carbon-Intelligent Global Routing … Rudolf van der Berg
- Re: [E-impact] Carbon-Intelligent Global Routing … Manner Jukka
- Re: [E-impact] Carbon-Intelligent Global Routing … Rudolf van der Berg
- Re: [E-impact] Carbon-Intelligent Global Routing … Hesham ElBakoury
- Re: [E-impact] Carbon-Intelligent Global Routing … Toerless Eckert
- Re: [E-impact] Carbon-Intelligent Global Routing … Vesna Manojlovic
- Re: [E-impact] Carbon-Intelligent Global Routing … Azael Fernandez A.
- Re: [E-impact] Carbon-Intelligent Global Routing … Brian E Carpenter
- Re: [E-impact] Carbon-Intelligent Global Routing … Azael Fernandez A.
- Re: [E-impact] Carbon-Intelligent Global Routing … Michael Richardson
- Re: [E-impact] Carbon-Intelligent Global Routing … Michael Welzl
- Re: [E-impact] Carbon-Intelligent Global Routing … Brian E Carpenter
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Michael Welzl
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Brian E Carpenter
- Re: [E-impact] Carbon-Intelligent Global Routing … Cedric Westphal
- Re: [E-impact] Carbon-Intelligent Global Routing … Michael Richardson
- Re: [E-impact] Carbon-Intelligent Global Routing … Hesham ElBakoury
- Re: [E-impact] Carbon-Intelligent Global Routing … Toerless Eckert
- Re: [E-impact] Carbon-Intelligent Global Routing … Manner Jukka
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Rudolf van der Berg
- Re: [E-impact] Carbon-Intelligent Global Routing … Manner Jukka
- Re: [E-impact] Carbon-Intelligent Global Routing … Jari Arkko
- Re: [E-impact] Carbon-Intelligent Global Routing … Hesham ElBakoury
- Re: [E-impact] Carbon-Intelligent Global Routing … Manner Jukka
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Vesna Manojlovic
- Re: [E-impact] Carbon-Intelligent Global Routing … Dom Robinson
- Re: [E-impact] Carbon-Intelligent Global Routing … Hesham ElBakoury
- [E-impact] Fwd: Carbon-Intelligent Global Routing… Hesham ElBakoury